Abstract: A new patch cord connection in a communications network may be automatically identified by using a plug insertion/removal sensor to detect the insertion of a first plug into a first connector port of a patch panel. An electrical cable diagnostic test is used to detect an insertion of a second plug into a first connector port on a network device. It may be inferred that a new patch cord connection has been established between the first connector port of the patch panel and the first connector port of the network device based on the consecutive detections of the insertions of the first and second plugs.

Abstract: A method and system for affixing multi-core fiber (MCF) within a ferrule includes a UV light source and a light guide. MCFs are placed into epoxy filled holders, e.g., channels or v-grooves, of a ferrule. A first MCF in a first holder is clocked to orient its cores to a desired position. The light source is activated, and the light from the light guide is launched into a cladding layer of the first MCF. The light in the cladding layer will stay in the cladding layer until it reaches the portion of the first MCF in contact with the epoxy, where the light will leak out due to the similarity in the index of refraction. The leaking light will at least partially cure the epoxy to affix the first MCF within the first holder. The process may then be repeated for the remaining MCFs, so that each MCF may be clocked and affixed selectively rather than collectively.

Abstract: A cooling module for cooling at least two server modules that are configured to house a plurality of servers, the cooling module including a housing having an interior containing air, an intake into the housing, an outlet from the housing, at least one fan configured to move the air from the intake to the outlet and at least one sprayer configured to spray a mist into the air in the interior for evaporative cooling of the interior. Also a system formed of the cooling module, first and second server modules and a plenum connecting the outlet of the cooling module and intakes of the first and second server modules.

Abstract: A telecommunications patching system having point-to-point tracing capabilities includes: a plurality of end devices; at least one rack structure; a plurality of patch panels mounted to each rack structure; a plurality of connector ports disposed on each of the patch panels; a plurality of patch cords for selectively interconnecting different pairs of connector ports; a plurality of cables for selectively interconnecting the connector ports on the patch panels with respective end devices; tracing modules associated with said connector ports and end devices that monitor connectivity of the connector ports and end devices; and a display associated with the tracing modules configured to display the connectivity of a circuit comprising one or more of the connector ports and one or more of the end devices.

Abstract: A terminus for a fiber optic cable includes a ferrule. In one embodiment, an optical fiber of the cable passes through a central bore of the ferrule and is attached to a lens seated in a conical or cylindrical seat formed in an end surface of the ferrule by an epoxy. In a second embodiment, an optical fiber of the cable passes through the central bore of the ferrule. Next, a cap sleeve with a lens therein is slid over and attached to the ferrule such that the lens abuts or is attached to the optical fiber. In either embodiment, an inspection slot may optionally be formed in the ferrule and/or the cap sleeve to allow a technician to inspect the state of the attachment and/or abutment and/or spacing of the optical fiber and the lens.

Abstract: Communications jacks include at least first through third jackwire contacts and a flexible substrate that has a first finger and a second finger. The first jackwire contact and the third jackwire contact are each mounted on the first finger and the second jackwire contact is mounted on the second finger.

Abstract: An inline communications connector is provided that includes a housing and tip and ring contacts that are mounted in the housing. The tip contact includes an input tip socket, an output tip socket and a tip socket connection section that physically and electrically connects the input and output tip sockets. The ring contact includes an input ring socket, an output ring socket and a ring socket connection section that physically and electrically connects the input and output ring sockets. The input tip socket is not collinear with the output tip socket and the input ring socket is not collinear with the output ring socket.

Abstract: A sliding tray is configured to support one or more optical communications modules and includes a body portion having one or more mounting locations for the one or more optical communications modules, a trough projecting from the body portion and configured to support optical fibers connected to the one or more optical communications modules, and a cover pivotably connected to the tray for selectively covering the trough.

Abstract: Patch cords include a communications cable that has a first conductor and a second conductor that form a first differential pair, and a third conductor and a fourth conductor that form a second differential pair and a plug that is attached to the communications cable. The plug includes a housing that receives the communications cable, first through fourth plug contacts that are within the housing, and a printed circuit board. The printed circuit board includes first through fourth conductive paths that connect the respective first through fourth conductors to respective ones of the first through fourth plug contacts. The plug further includes a first conductive shield that extends above a top surface of the printed circuit board that is disposed between the first differential pair and the second differential pair.

Abstract: Patch cords are provided that include a communications cable that has at least first through fourth conductors and a plug that is attached to the cable. The plug includes a housing that receives the cable, a printed circuit board, first through fourth plug contacts, and first through fourth conductive paths that connect the first through fourth conductors to the respective first through fourth plug contacts. The first and second conductors, conductive paths, and plug contacts form a first differential transmission line, and the third and fourth conductors, conductive paths, and plug contacts form a second differential transmission line. Each of the first through fourth plug contacts has a first segment that extends longitudinally along a first surface of the printed circuit board, and the signal current injection point into the first segment of at least some of the first through fourth plug contacts is into middle portions of their respective first segments.

Abstract: Patch cords include a communications cable that has first through eighth conductors that are arranged as four twisted pairs and a plug attached thereto. The plug includes a housing that receives the cable, first through eighth plug contacts, and a printed circuit board that includes first through eighth conductive paths that connect the first through eighth conductors to the respective first through eighth plug contacts. The plug further includes a first crosstalk injection circuit between the second conductive path and the sixth conductive path and a second crosstalk injection circuit between the first conductive path and the sixth conductive path.

Abstract: An antenna may include a volume polarization current radiator and a feed network. The volume polarization current radiator, includes a dielectric solid (such as a dielectric strip), and a plurality of closely-spaced excitation elements (24), each excitation element (24) being configured to induce a volume polarization current distribution in the dielectric solid proximate to the excitation element when a voltage is applied to the excitation element. The feed network is coupled to the volume polarization current radiator.

Abstract: Printed circuit boards for communications connectors are provided that include a dielectric substrate formed of a first insulative material having a first dielectric constant. First and second pairs of input terminals and first and second pairs of output terminals are provided on the dielectric substrate. A first differential transmission line electrically connect the first pair of input terminals to the first pair of output terminals, and a second differential transmission line electrically connect the second pair of input terminals to the second pair of output terminals. The dielectric substrate includes an opening that is positioned between the conductive paths of the first differential transmission line, the opening containing a second insulative material having a second dielectric constant.

Abstract: Methods for collecting information regarding a remote connector port that is connected to a patch panel connector port by a communications cable that has at least one data communications channel and a separate control channel are provided in which a first conductor of the separate control channel of the communications cable is biased to power an integrated circuit chip that is associated with the remote connector port. A first signal is transmitted over the separate control channel of the communications cable to the integrated circuit chip associated with the remote connector port. A second signal is received from the integrated circuit chip over the separate control channel of the communications cable in response to the first signal. The second signal includes information regarding the remote connector port.

Abstract: Communications plugs are provided which include a printed circuit board having a plurality of elongated conductive traces and a plurality of plug blades. Each plug blade has a first section that extends along a top surface of the printed circuit board and a second section that extends along a front edge of the printed circuit board. Additionally, each plug blade may have a thickness that is at least twice the thickness of the elongated conductive traces. The plug blades may be low profile plug blades that are manufactured separately from the printed circuit board.

Abstract: A multimedia faceplate includes a frame having a front face and a rear face and at least one connector mounting aperture therein, a non-Ethernet connector mounted in the connector mounting aperture, an Ethernet conversion unit that is electrically connected to the non-Ethernet connector and a plurality of wire connection contacts that are electrically connected to the Ethernet conversion unit. The Ethernet conversion unit is configured to draw an electrical power signal from either an AC to DC power conversion unit or from a Power-over-Ethernet power signal received from an Ethernet cable that is connected to the wire connection contacts.

Abstract: Communications connectors are provided that include a plurality of inputs that are arranged as differential pairs of inputs and a plurality of outputs that are arranged as differential pairs of outputs. A plurality of low frequency conductive paths are provided, each of which electrically connects a respective one of the inputs to a respective one of the outputs. These low frequency conductive paths are configured to pass signals having frequencies in a first frequency band while substantially attenuating signals having frequencies in a second frequency band that includes higher frequencies than the first frequency band. A plurality of second conductive paths are also provided. Each of the plurality of second conductive paths is electrically in parallel with at least a portion of a respective one of the low frequency conductive paths.

Abstract: Trunk gland adapters include an adapter body having an internal bore that is sized to receive a trunk cable gland so that a front end of the trunk cable gland extends through a front opening of the internal bore and a plurality of attachment clips that are configured to releasably attach the adapter body to a mounting aperture in a wall of a fiber optic enclosure. Related trunk gland units and methods of routing a trunk cable into an enclosure are also disclosed.

Abstract: A method and system connects multiple cores within one fiber, e.g., a multi-core fiber (MCF), to multiple fibers with single-cores. The single-core fibers can then be terminated by traditional envelopes, such as a single core LC envelope. A connector holds the single-core fibers into a pattern that matches a pattern of all, or a sub group, of the individual cores of the MCF. The single-core fibers may all be terminated to individual connectors to form a fanout or breakout cable. Alternatively, the single-core fibers may extend to another connector wherein the single-core fibers are regrouped into a pattern to mate with the cores of another MCF, hence forming a jumper. One or more of the single core fibers may be terminated along the length of the jumper to form a jumper with one or more tap accesses.

Abstract: The invention addresses the coupling of light between one or more multicore fibers and optoelectronic transducers, such as lasers or photodetectors, and/or single core fibers. More specifically, the invention utilizes a single microlens element to couple multiple optical data signals between multiple optoelectronic transducers and multiple cores of a multiple-core fiber (MCF), or to couple signals from multiple single-core fibers to multiple cores of a MCF. At least one optoelectronic transducer and at least one fiber core are substantially removed from the microlens axis and the MCF axis, possibly by different amounts, and cores of the MCF may optionally be polished to be non-telecentric to the axis of the microlens element.